Nanotechnology is one of the recent advances in the field of science. The basic concept of nanotechnology is to employ individual atoms and molecules to construct functional structures. Nanotechnology is believed to serve wide range of applications in the field of medicine and dentistry. Despite of its diverse applications and the future implications nanotechnology raises various issues regarding environmental, economic and social impact. So it is very important to consider the guidelines and regulations to ensure the safe, controlled and ethical use of nanotechnology.